Alright, let's work through 18974395 times 45050545 step by step
18974395 × 45050545 = 45050545 × (18974395)
+ 45050545 × 5 that equals 225252725
+ 45050545 × 90 which equals 4054549050
+ 45050545 × 300 yielding 13515163500
+ 45050545 × 4000 that results in 180202180000
+ 45050545 × 70000 producing 3153538150000
+ 45050545 × 900000 which equals 40545490500000
+ 45050545 × 8000000 that equals 360404360000000
+ 45050545 × 10000000 producing 450505450000000

= 854806835795275
